塑料降解方法有(yǒu)哪幾種形(xíng)式?

塑料降解方法有哪幾種形式?

網址:http://www.shuiniguan.com 手機頁麵二維碼 2020-02-04 19:45:41    

    塑料降解方法,目(mù)前已知的形式可分為生物(wù)降解塑料、光降解塑料和環境降解塑料。  Atpresent,theknowndegradationmethodsofplasticscanbedividedintobiodegradableplastics,photodegradableplasticsandenvironmentaldegradationplastics.

    (1)生物降解塑(sù)料是指在自然(rán)環境中,細菌、黴菌(jun1)(真菌)、藻(zǎo)類等微生物條件或影響下降解的塑料。
 (1)Biodegradableplasticreferstotheplasticthatisdegradedundertheconditionorinfluenceofbacteria,mould(fungus),algaeandothermicroorganismsinthenaturalenvironment.
    (2)光降解塑料是指在自然環境中(zhōng)陽光作用下(xià)降(jiàng)解(jiě)的(de)塑料。
    (2)Photodegradableplasticreferstotheplasticdegradedundertheactionofsunlightinthenaturalenvironment.
    (三)環境可降解塑(sù)料是指暴(bào)露在自然環境中(zhōng)的塑料,在光、熱、水、氧、汙染物、微(wēi)生物、昆蟲、風、沙、雨和機械力的作用下降解的塑料。
    (3)
一次性玉米澱粉餐(cān)具(jù)Environmentaldegradableplasticreferstotheplasticexposedtothenaturalenvironment,whichisdegradedbylight,heat,water,oxygen,pollutants,microorganisms,insects,wind,sand,rainandmechanicalforce.
    (4)可降解塑料這種可降解塑料具有水溶性和生物降解性,如聚乙烯(xī)醇、聚(jù)乙烯醇/澱粉可降解塑料等(děng)   (4)Thiskindofdegradableplastichaswatersolubilityandbiodegradability,suchaspolyvinylalcohol,polyvinylalcohol/starchdegradableplasticandsoon.
    (5)光降解塑料這種可降解(jiě)塑料是指具有易被光降(jiàng)解基團的聚(jù)合物(wù)樹脂。如乙烯/一氧化碳共聚物(E/CO)、二氧化碳共聚物(wù)(也可(kě)生物降解)或PE/PP通用樹脂與光敏劑等。
 (5)Photodegradableplasticthiskindofdegradableplasticisakindofpolymerresinwithphotodegradablegroup.Suchasethylene/carbonmonoxidecopolymer(E/CO),carbondioxidecopolymer(alsobiodegradable)orPE/PPgeneralresinandphotosensitizer.
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